Change package name for Android in React Native

Question

I used react-native init MyApp to initialise a new React Native app  This created among others an Android project with the package com myapp   What s the best way to change this package name  for example to  com mycompany myapp   I tried changing it in AndroidManifest xml but it created other errors  so I m assuming it s not the way   Any idea

User · Answer

you can simply use react-native-rename npm package.

Install using

npm install react-native-rename -g

Then from the root of your React Native project execute the following

react-native-rename "MyApp" -b com.mycompany.myapp

react-native-rename on npm

but notice that, this lib remove your MainActivity.java and MainApplication.java. before changing your package name, give a backup from this two file and, after changing package name just put it back to their place. this solution work for me

more info: react-native-rename

User · Answer

Go to Android Studio  open app  right click on java and choose  New and then Package    Give the name you want  e g  com something     Move the files from the other package  you want to rename  to the new Package  Delete the old package    Go to your project in your editor and use the shortcut for searching in all the files  on mac is shift cmd F   Type in the name of your old package  Change all the references to the new package name    Go to Android Studio  Build  Clean Project  Rebuild Project   Done   Happy coding

User · Answer

Before changing your react native package name  please make a backup of MainActivity java and MainApplication java file  Because this lib remove your MainActivity java and MainApplication java  after doing this you can simply use react-native-rename npm package  Install npm install react-native-rename -g Then from the root of your React Native project execute the following react-native-rename  quot new project name quot  -b com mycompany newprojectname finally you can check it out your new package name in your AndroidManifest xml  Don t forgot to rename the package name in your MainActivity java and MainApplication java   Thank you

User · Answer

Follow the simple steps to rename your app name and Package name in case you have not made any custom changes in android folder ie  scenario where u just initialized the project    Simply change the name in the package json file as you need and save it  Remove the folder named android run the command react-native upgrade   Note As ivoteje50 mentioned in comment Don t remove the android folder if you have already followed the official instructions to generate a keystore  since it will remove the keystore and you cannot sign a new app again

User · Answer

Goto Android studio  Right click your package  most probably com -  Refractor -  Rename -  Enter new package name in the dialog -  Do Refractor  It will rename your package name everywhere

User · Answer

I ve used the react-native-rename package   In terminal run the command to install   npm install react-native-rename -g   In the root of your React Native project  run the following command   react-native-rename  NewNameOfApp  -b com companyname newnameofapp

User · Answer

You can use react-native-rename package which will take of all the necessary changes of package name under   app mainapplication java  AndroidManifest xml  but make sure to manually change the package name of all files under the java com folder  because when i created an splash screen activity the old package name is not updated   https   www npmjs com package react-native-rename

User · Answer

Go to file android app src main AndroidManifest xml -  Update     attr android label of Element application as       Old value - android label   string app name       New Value - android label   string you want to put     and   attr android label of Element activity as       Old value - android label   string app name       New Value - android label   string you want to put     Worked for me  hopefully it will help

User · Answer

In VS Code  press Ctrl   Shift   F and enter your old package name in  Find  and enter your new package in  Replace   Then press  Replace all occurrences    Definitely not the pragmatic way  But  it s done the trick for me

User · Answer

If you are using Android Studio-  changing com myapp to com mycompany myapp   create a new package hierarchy com mycompany myapp under android app src main java Copy all classes from com myapp to com mycompany myapp using Android studio GUI Android studio will take care of putting suitable package name for all copied classes  This is useful if you have some custom modules and don t want to manually replace in all the  java files  Update android app src main AndroidManifest xml and android app build gradle  replace com myapp to com mycompany myapp Sync the project  gradle build

User · Answer

Simply using the search and replace tool of my IDE did the trick

User · Answer

After running this  react-native-rename  quot MyApp quot  -b com mycompany myapp  Make sure to also goto Build gradle under android app     and rename the application Id as shown below  defaultConfig           applicationId com appname xxx

User · Answer

I ve renamed the project  subfolder from   quot android app src main java MY APP OLD ID  quot  to   quot android app src main java MY APP NEW ID  quot  Then manually switched the old and new package ids  In  android app src main java MY APP NEW ID MainActivity java  package MY APP NEW ID   In android app src main java MY APP NEW ID MainApplication java  package MY APP NEW ID   In android app src main AndroidManifest xml  package  quot MY APP NEW ID quot   And in android app build gradle  applicationId  quot MY APP NEW ID quot   In android app BUCK  android build config    package  quot MY APP NEW ID quot    android resource    package  quot MY APP NEW ID quot     Gradle  cleaning in the end  in  android folder     gradlew clean

User · Answer

The init script generates a unique identifier for Android based on the name you gave it  e g  com acmeapp for AcmeApp    You can see what name was generated by looking for the applicationId key in android app build gradle   If you need to change that unique identifier  do it now as described below   In the  android folder  replace all occurrences of com acmeapp by com acme app  Then change the directory structure with the following commands   mkdir android app src main java com acme  mv android app src main java com acmeapp android app src main java com acme app  You need a folder level for each dot in the app identifier   Source  https   blog elao com en dev from-react-native-init-to-app-stores-real-quick

User · Answer

very simple way   cd  your project dir  run this command   grep -rl  quot com your app quot      xargs sed -i  s com your app com yournew newapp g   rename your folder android app src main java com your app  change to android app src main java com yournew newapp

User · Answer

To change package I have searched and tried many methods but some are very hard and some are outdated  While searching I found a website that discuss a very simple method that are tested and personally i have also used this  Link   https   www geoclassifieds in 2021 02 change-package-name-react-native html

User · Answer

I use the react-native-rename  npm package  Install it via  npm install react-native-rename -g   Then  from the root of your React Native project  execute the following   react-native-rename  MyApp  -b com mycompany myapp

User · Answer

If you are using VSCode and Windows  1 Press Control   Shift   F  2 Find Your Package Name and Replace All with your new Package Name   type  quot cd android quot   type  quot   gradlew clean quot

User · Answer

The simplest one  npx react-native-rename YourNewAppName -b com YourCompanyName YourNewAppName

User · Answer

To change the package name from com myapp to  com mycompany myapp  for example      For iOS app of the react app  use xcode - under general  For the android app  open the build gradle at module level  The one in the android app folder  You will find           defaultConfig        applicationId com myapp                        Change the com myapp to whatever you need   Hope this helps

User · Answer

Use  npx react-native-rename  lt newName gt   With custom Bundle Identifier  Android only  For iOS  please use Xcode     npx react-native-rename  lt newName gt  -b  lt bundleIdentifier gt    First  Switch to new branch  optional but recommended     git checkout -b rename-app   Then  Rename your app   npx react-native-rename  Travel App   With custom Bundle Identifier    npx react-native-rename  Travel App  -b com junedomingo travelapp    After you change the name  please make sure you go to the android folder and run gradlew clean  then go back to the main project and run npx react-native run-android    Also If you have google-services json file in your previous project  change accordingly with the new one     then you are good to go     See More here https   github com junedomingo react-native-rename readme

User · Answer

I have a solution based on  Cherniv s answer  works on macOS for me   Two differences  I have a Main2Activity java in the java folder that I do the same thing to  and I don t bother calling   gradlew clean since it seems like the react-native packager does that automatically anyways   Anyways  my solution does what Cherniv s does  except I made a bash shell script for it since I m building multiple apps using one set of code and want to be able to easily change the package name whenever I run my npm scripts   Here is the bash script I used  You ll need to modify the packageName you want to use  and add anything else you want to it    but here are the basics  You can create a  sh file  give permission  and then run it from the same folder you run react-native from   rm -rf   android app src main java   mkdir -p   android app src main java com MyWebsite MyAppName     packageName  com MyWebsite MyAppName      sed -i    -e  s   package   package   packageName       android app src main javaFiles Main2Activity java     sed -i    -e  s   package   package   packageName       android app src main javaFiles MainActivity java     sed -i    -e  s   package   package   packageName       android app src main javaFiles MainApplication java     sed -i    -e  s   package          package     packageName        android app src main AndroidManifest xml     sed -i    -e  s   package         package      packageName        android app BUCK     sed -i    -e  s   applicationId       applicationId     packageName        android app build gradle      cp -R   android app src main javaFiles    android app src main java com MyWebsite MyAppName   DISCLAIMER  You ll need to edit MainApplication java s comment near the bottom of the java file first  It has the word  package  in the comment  Because of how the script works  it takes any line with the word  package  in it and replaces it  Because of this  this script may not be future proofed as there might be that same word used somewhere else   Second Disclaimer  the first 3 sed commands edit the java files from a directory called javaFiles  I created this directory myself since I want to have one set of java files that are copied from there  as I might add new packages to it in the future   You will probably want to do the same thing  So copy all the files from the java folder  go through its subfolders to find the actual java files  and put them in a new folder called javaFiles   Third Disclaimer  You ll need to edit the packageName variable to be in line with the paths at the top of the script and bottom  com MyWebsite MyAppName to com MyWebsite MyAppName

[android] Change package name for Android in React Native

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